Clutch mechanism.



PATENTED OCT. 4, 1904.

W. L. BARTON. CLUTCH MECHANISM.

APPLIOATION FILED AUG. 27, 1903.

NO MODEL.

atto'nweqo UNITED STATES Patented October 4., 1904.

WILLIAM L. BARTON, OF CARBONDALE, PENNSYLVANIA.

CLUTCH MECHANISM.

SPECIFICATION forming part of Letters Patent No. 771,695, dated October4, 1904.

v Application filed August 27,1903. Serial No. 170,991. No model.)

To (til whom it may concern.-

Be it known that I, WILLIAM L. BARTON, a citizen of the United States ofAmerica, residing at Carbondale, Lackawanna county, State ofPennsylvania, have invented certain new and useful Improvements inClutch Mechanisms, of which the following is a specification.

My invention relates to an improvement in clutch mechanisms; and itconsists in certain novel features of construction and arrangements ofparts, which will be hereinafter fully described, and pointed out in theclaims.

In the accompanying drawings, Figure 1 is a plan view showing theclutches and the lever mechanism for operating the same; and Fig. 2 is aview, partly in section, showing my clutch mechanism in its applicationto two concentric shafts.

A represents an outer hollow shaft, and B an inner solid shaft, withbushings of brass or other material 1 1 interposed between them. Adrive-pulley 2 is secured to the outer hollow shaft as a means by whichit is constantly rotated, and bearings are formed at suitable points forthe shafts, one preferably for the hollow shaft and the other for thesolid, in addition to the bushings referred to. A crank 3 is secured tothe outer end of the solid shaft. Of course any other means ofcommunicating its power might be substituted for this crank.

Loosely mounted on the hollow shaft is the drive-wheel 4, which in thepresent instance takes the form of a sprocket-wheel, although any othertransmitting-gear might be used instead. This sprocket-wheel is looselymounted between the bearing-collar on the hollow shaft and a collar 6,keyed to the hollow shaft, and to this collar the usual clutch-levers 77 are pivoted, they being operated by a sliding collar 8, looselymounted on the hollow shaft through the medium of links 9 9. Thissliding collar has a circumferential groove 10 formed therein, and thering 11 is fitted to the groove. A bar 12 is pivoted at one end uponsome convenient support and is provided with a yoke 13, which spans thecollar and ring and is provided with slots 14: 14: at opposite points,which receive the lugs 15 15 on the ring. This bar is connected by alink 16 to a bell-crank lever'17, which latter is connected, by a rod orother means 17, to a hand-lever 18, by which the clutch is controlled.

A drum 20 is keyed to the solid shaft adjacent to its bearingpreferably, and this hollow drum abuts against the adjacent end of thehollow shaft A. A collar 21 is keyed to the hollow shaft adjacent to thedrum, and clutch-levers 22 :22 are pivoted thereto and operated by meansof links 23 23 extending to the sliding collar 24 and operated by thesame mechanism, preferably as explained in connection with thesprocket-wheel clutch. Any variety of friction-clutch may be employedfor this purposeas, for instance, the so-called Jacobsonfriction-clutch. I do not, therefore, claim the clutch proper as myinvention, as the invention does not consist in the clutch per se, butin the combination of a clutch with the other mechanism described.Having thus fully described my invention, What I claim as new, anddesire to secure by Letters Patent of the United States, is-

The combination with a suitable frame, of a plurality ofconcentrically-located shafts, means for driving one of the shafts,separate clutch members mounted on each shaft, bars pivotally secured atone end to the frame, one bar pivotally secured to one of the clutchmembers at a point intermediate its length, a link connected to theopposite end of the bar, a bell-crank lever pivotally connected andmeans connected to the bell-crank lever for operating the same, and asecond bar similarly secured and operated, the second bar pivoted to theframe at a point on the opposite side of the concentric shafts, andoperating means with which the levers are connected,the means locatedadjacent each other to permit the clutch members to be convenientlyoperated. In testimony whereof I have signed my name to thisspecification in the presence of two subscribing witnesses.

WILLIAM L. BARTON. Witnesses:

J. F. REYNOLDS, JOHN B. SHANNON.

